Adjustable pillow



FIG. 1 is a right side perspective view of the adjustable pillow; FIG. 2is a left side perspective view thereof; FIG. 3 is a top view thereof;FIG. 4 is a bottom view thereof; FIG. 5 is a front view thereof; and,FIG. 6 is a rear view thereof.

The ornamental design for an adjustable pillow, as shown and described.